SANSUI F65 Multifunctional Digital FM Radio Wireless Bluetooth Speaker

1. Introduction

Thank you for choosing the SANSUI F65 Multifunctional Digital FM Radio Wireless Bluetooth Speaker. This portable device combines a digital FM radio, Bluetooth speaker, and MP3 player, offering versatile audio entertainment for both indoor and outdoor use. Please read this manual carefully to ensure proper operation and to maximize your enjoyment of the product.

Figure 1: SANSUI F65 in various colors, showing model, Bluetooth version, size, and transmission range.

2. Package Contents

• SANSUI F65 Speaker
• USB Charging Cable
• User Manual

3. Product Overview

The SANSUI F65 features a compact design with intuitive controls and multiple connectivity options.

3.1. Controls and Ports

• Power Switch: ON/OFF toggle.
• USB Port: For USB flash drive playback and charging.
• DC 5V Port: For charging the device.
• TF Card Slot: For TF (MicroSD) card playback.
• 3.5mm Audio Jack: For wired earphone connection.
• Antenna: Extendable for FM radio reception.
• Numeric Keypad (0-9): For direct frequency or track selection.
• Mode (M) Button: To switch between playback modes (FM, Bluetooth, USB, TF).
• Playback Controls: Previous track/station, Play/Pause, Next track/station.
• Volume Controls: Integrated with other buttons or a dedicated dial (not explicitly shown but implied by V+/-).

Figure 2: The SANSUI F65 demonstrating its multiple playback modes, including USB flash drive, TF card, and 3.5mm wired earphone compatibility.

4. Setup

4.1. Charging the Battery

Before first use, fully charge the speaker. Connect the provided USB charging cable to the DC 5V port on the speaker and to a compatible USB power source (e.g., a computer USB port or a 5V/1A USB wall adapter). The charging time is approximately 5-6 hours for a full charge.

4.2. Battery Installation

The SANSUI F65 uses a removable and replaceable lithium battery. To install or replace the battery:

1. Locate the battery compartment on the back of the speaker.
2. Open the battery compartment cover.
3. Insert the 18650 lithium battery, ensuring correct polarity (+/-).
4. Close the battery compartment cover securely.

Figure 3: View of the SANSUI F65's removable lithium battery compartment.

5. Operating Instructions

5.1. Power On/Off

Slide the ON/OFF switch located on the side of the speaker to turn the device on or off.

5.2. Selecting Playback Modes

Press the 'M' (Mode) button repeatedly to cycle through the available playback modes: FM Radio, Bluetooth, USB, and TF Card.

5.3. Bluetooth Mode

1. Switch the speaker to Bluetooth mode using the 'M' button. The display will indicate Bluetooth mode.
2. On your mobile device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
3. Select 'SANSUI F65' from the list of devices.
4. Once paired, you can play audio from your device through the speaker. The Bluetooth version is 5.3, offering stable connection within a 10-meter range.

5.4. FM Radio Mode

1. Switch the speaker to FM Radio mode using the 'M' button.
2. Extend the external antenna for optimal signal reception.
3. Use the 'Previous' and 'Next' track buttons to scan for radio stations.
4. Alternatively, use the numeric keypad to directly input a radio frequency (e.g., for 105.0 MHz, input '105'). The FM frequency range is 76-108MHz.

Figure 4: The SANSUI F65 with its external antenna extended for improved signal reception.

5.5. USB/TF Card Playback

1. Insert a USB flash drive into the USB port or a TF (MicroSD) card into the TF card slot.
2. Switch the speaker to USB or TF Card mode using the 'M' button.
3. The speaker will automatically detect and play audio files from the storage device.
4. Use the 'Previous' and 'Next' track buttons to navigate through songs.
5. Use the numeric keypad to directly select a track number (e.g., for the 19th song, input '19').

5.6. Wired Earphone Connection

Plug 3.5mm wired earphones into the dedicated audio jack for private listening.

6. Maintenance

• Cleaning: Use a soft, dry cloth to clean the speaker's surface. Do not use abrasive cleaners or solvents.
• Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
• Battery Care: If the speaker will not be used for an extended period, charge it periodically to maintain battery health.
• Avoid Water: This device is not waterproof. Avoid exposure to water or high humidity.

7. Troubleshooting

• No Power: Ensure the battery is charged and correctly installed. Check the ON/OFF switch.
• No Sound: Check the volume level. Ensure the correct playback mode is selected. If using Bluetooth, ensure the device is paired and playing audio.
• Bluetooth Not Connecting: Ensure the speaker is in Bluetooth mode and discoverable. Turn off and on Bluetooth on your mobile device, then try pairing again. Make sure the speaker is within the 10-meter transmission range.
• Poor FM Radio Reception: Fully extend the external antenna. Try moving the speaker to a different location to improve signal.
• USB/TF Card Not Playing: Ensure the USB drive or TF card is inserted correctly and contains compatible audio files (e.g., MP3).

8. Specifications

Figure 5: Illustration of the SANSUI F65's dual magnetic horn design, contributing to dynamic and good sound quality.

9. User Tips

• Portability: The SANSUI F65 features a lanyard design, making it easy to carry for outdoor activities. Utilize the lanyard to prevent accidental drops.
• Quick Access: Use the numeric keypad for direct selection of radio stations or specific tracks on your USB drive or TF card for faster navigation.
• Optimal Radio Reception: Always extend the external antenna fully when listening to FM radio to ensure the best possible signal quality.

Figure 6: The SANSUI F65's lanyard design for convenient and secure portability during travel or outdoor use.

10. Warranty and Support

For warranty information and customer support, please refer to the seller's policies or contact the point of purchase. Keep your proof of purchase for any warranty claims.